56438820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{313549}}^1$

素因数の和:313564

約数の個数: 36

約数和(自身を含む): 171198300

約数和(自身を除く): 114759480

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 313549, 627098, 940647, 1254196, 1567745, 1881294, 2821941, 3135490, 3762588, 4703235, 5643882, 6270980, 9406470, 11287764, 14109705, 18812940, 28219410, 56438820]

約数ペア:

[(1, 56438820), (2, 28219410), (3, 18812940), (4, 14109705), (5, 11287764), (6, 9406470), (9, 6270980), (10, 5643882), (12, 4703235), (15, 3762588), (18, 3135490), (20, 2821941), (30, 1881294), (36, 1567745), (45, 1254196), (60, 940647), (90, 627098), (180, 313549)]